There's a great, new book out on Kar-Kraft which covers the GT 40's among a host of other cars they've produced. The author is a former Kar-Kraft employee and the book cites nearly a dozen former staffers who contributed.
Kar-Kraft: Race Cars, Prototypes and Muscle Cars of Ford's Specialty Vehicle Activity Program: Charlie Henry: 9781613252864: Amazon.com: Books
Kar-Kraft: Race Cars, Prototypes and Muscle Cars of Ford's Specialty Vehicle Activity Program: Charlie Henry: 9781613252864: Amazon.com: Books
